public class Frog {
	public String name;
	public int mouth;
	public int eyes;
	public int legs;

	public void work() {
		System.out.println(this.name + "的生活理念：早起的鸟儿有虫吃！");
	}

	public static void main(String[] args) {
		Frog Jack = new Frog();
		Jack.name = "Jack";
		Jack.mouth = 1;
		Jack.eyes = 2;
		Jack.legs = 4;
		Jack.work();
	}
}
